keyword
MENU ▼
Read by QxMD icon Read
search

Stents

keyword
https://www.readbyqxmd.com/read/27911025/effect-of-balloon-expandable-transcatheter-aortic-valve-replacement-positioning-a-patient-specific-numerical-model
#1
Matteo Bianchi, Gil Marom, Ram P Ghosh, Harold A Fernandez, James R Taylor, Marvin J Slepian, Danny Bluestein
Transcatheter aortic valve replacement (TAVR) has emerged as a life-saving and effective alternative to surgical valve replacement in high-risk, elderly patients with severe calcific aortic stenosis. Despite its early promise, certain limitations and adverse events, such as suboptimal placement and valve migration, have been reported. In the present study, it was aimed to evaluate the effect of various TAVR deployment locations on the procedural outcome by assessing the risk for valve migration. The deployment of a balloon-expandable Edwards SAPIEN valve was simulated via finite element analysis in a patient-specific calcified aortic root, which was reconstructed from CT scans of a retrospective case of valve migration...
December 2016: Artificial Organs
https://www.readbyqxmd.com/read/27910187/ureteral-stent-duration-and-the-risk-of-bk-polyomavirus-viremia-or-bacteriuria-after-kidney-transplantation
#2
Jonathan T Wingate, Jared Brandenberger, Andrew Weiss, Lauren G Scovel, Christian S Kuhr
OBJECTIVES: Ureteral stents are used in kidney transplantation (KTX) to decrease post-operative complications, but are associated with BK polyomavirus viremia (BKV). Our primary outcome was to determine the association between ureteral stent duration and BKV. Secondary outcome measures were the association between bacteriuria and stent duration or use of ureteral stent strings. METHODS: Between January 2010 and January 2015, 403 patients underwent KTX at Virginia Mason Medical Center and met inclusion criteria...
December 2, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27910096/de-novo-migraine-with-aura-after-surgical-repair-of-aortic-coarctation
#3
Yuji Kato, Takeshi Hayashi, Toshiki Kobayashi, Ayumu Masuoka, Tetsuya Abe, Takahiro Hasebe, Norio Tanahashi, Masaki Takao
Coarctation of the aorta (CoA) is reported to be associated with an increased risk for migraine. We describe here the case of a 13-year-old female patient who presented migraine with aura after surgical repair of CoA with a stent. As possible reasons for her condition, we postulate host responses to stent placement and/or disturbed cerebral autoregulation related to intracranial hypertension before the surgical repair and hypotension afterward, leading to hypoperfusion. This case demonstrates that de novo migraine with aura can occur after surgical repair of CoA and should be recognized as a potential complication...
December 2, 2016: Headache
https://www.readbyqxmd.com/read/27909275/-pseudoaneurysm-formation-after-aortic-root-replacement-using-freestyle-porcine-bioprosthesis
#4
Tetsuro Uchida, Azumi Hamasaki, Atsushi Yamashita, Ken Nakamura, Jun Hayashi, Satoko Funata, Seigo Gomi, Mitsuaki Sadahiro
We report a case of pseudoaneurysm formation after implantation of Medtronic Freestyle stentless bioprosthesis with a full root technique. A 65-year-old man previously underwent aortic root replacement with a Freestyle bioprosthesis. Ten years after the initial operation, pseudoaneurysm of the aortic root with a diameter of 6 cm was observed by computed tomography. At the reoperation, there was no sign of infective endocarditis, and the pseudoaneurysm was found to originate from the ruptured left and noncoronary sinuses...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27908823/subintimal-recanalization-of-an-occluded-common-iliac-stent-a-case-report
#5
Giuseppe Asciutto, Roberta M Brambilla, Ioannis Bountouris, Martin Malina, Nuno V Dias
The purpose of this report is to describe a minimally invasive alternative endovascular technique for the treatment of chronically occluded stents when it is not possible to cross them endoluminally. A 71-years-old patient with recurrent severe lower limb claudication due to occlusion of a stent placed in the common iliac artery 5 years earlier underwent subintimal recanalization of the stented segment and re-stenting after failed intraluminal approach. The postoperative CT scan showed that the re-stented segment was patent with a flattening of the previous stent...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908821/carotid-bypass-using-gore-hybrid-vascular-graft-for-in-stent-restenosis-after-carotid-stenting
#6
Andrea Agostinucci, Andrea Cumino, Roberta Suita, Andrea Bellan, Davide Lazzaro, Elisa Pagliasso, Ferruccio Ferrero
In-stent restenosis (ISR) is the most common long-term complication following Carotid Artery Stenting (CAS), affecting 3.5% to 21% of patients after a mean follow up of 18 months in published reports. Until now, the optimal management for ISR after CAS is still not clear and different endovascular treatments along with various surgical options have been proposed. Moreover, surgical treatment for ISR in a previously operated patient of ipsilateral endarterectomy is a technically demanding procedure. In this report, we describe a case of severe carotid recurrent ISR, which occurred after CAS for post-endarterectomy restenosis, that was successfully treated, in a straightforward way, with a carotid bypass using a Gore(®) Hybrid Vascular Graft...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908816/blunt-traumatic-occlusion-of-the-common-iliac-artery-repaired-with-segmental-excision-and-internal-iliac-artery-patch-angioplasty
#7
Abid C Mogannam, Robert F Cubas, Ivan M Gutierrez, Juan A Astudillo, Ahmed M Abou-Zamzam
Common iliac artery (CIA) occlusion as a result of blunt trauma is rare and seldom reported. This has been associated with pelvic fractures and other great vessel lesions. Management options include endovascular covered stent placement, open anatomic repair with autogenous conduit, or open extra-anatomic repair with prosthetic material. We report the case of a middle-aged male with a right CIA injury secondary to blunt trauma who underwent a successful repair using an internal iliac artery (IIA) patch for injury to a 2 cm segment of CIA with peritoneal contamination...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908813/coil-embolization-assisted-thoracic-endovascular-aortic-repair-for-multiple-saccular-descending-aortic-aneurysms-with-insufficient-landing-zone
#8
Akito Imai, Tomomi Nakajima, Masataka Sato, Yasunori Watanabe, Shunichi Kondo, Motoo Osaka, Yuji Hiramatsu
We report a coil embolization -assisted thoracic endovascular aortic repair technique successfully applied to multiple saccular descending aortic aneurysms in a 74-year-old man. Due to the most distal aneurysm being located at the celiac trunk level and the distance between the superior mesenteric artery and the aneurysm being only 10mm, a coil embolization of the distal saccular aneurysm was performed prior to stent delivery to secure a sufficient landing zone. Postoperative computed tomography showed an appropriate positioning of the endovascular devices without endoleak...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908812/original-off-label-endovascular-solution-to-occlude-false-lumen-rupture-in-chronic-type-b-aortic-dissection
#9
E M Marone, M Leopardi, L Bertoglio, D Mascia, R Chiesa
After Thoracic Endovascular Aortic Repair (TEVAR) for chronic type B aortic dissection (cTBD) the patency of the false lumen is quite common and its presence is associated with the risk of developing complications and is a predictor of death by aortic rupture. We report a case of a patient treated in emergency for the rupture of the false lumen in cTBD. He had previous TEVAR with persisting distal dissection and retrograde reperfusion of the false lumen. We performed an original endovascular treatment with graft relining and false lumen occlusion with a home-made "candy plug" obtained with two commercially available stent grafts...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908811/decreased-serum-levels-of-high-mobility-group-box-1-hmgb-1-after-graft-replacement-or-stenting-of-abdominal-aortic-aneurysm
#10
Daiki Ousaka, Yasuhiro Fujii, Susumu Oozawa, Masahiro Nishibori, Yosuke Kuroko, Zenichi Masuda, Shunji Sano
OBJECTIVES: High-mobility group box 1 (HMGB-1) is a key substance mediating inflammation and development of atherosclerotic lesions (AL), including abdominal aortic aneurysms (AAA). Serum levels of HMGB-1 are increased in patients with AAA than in normal controls because the ALs in AAAs secrete HMGB-1. We therefore postulate that the serum HMGB-1 level should decrease after endovascular aortic repair (EVAR) or open aortic repair (OAR). However, there is no evidence of this in the literature...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908810/emergent-treatment-of-a-ruptured-thoraco-abdominal-aortic-aneurysm-by-off-label-rescue-implantation-of-the-ovation-%C3%A2-stent-graft-in-nonagenarians-patient
#11
Chiara Pranteda, Pasqualino Sirignano, Federica Fornelli, Wassim Mansour, Nunzio Montelione, Laura Capoccia, Francesco Speziale
We report a case of a compassionate treatment of a ruptured thoraco-abdominal aortic aneurysm in a 92-year-old patient. Patient was admitted to our emergency department for acute onset of pain irradiating to the back. Computed tomographic angiography showed the presence of a thoraco-abdominal aortic aneurysm with a contained rupture at infrarenal level. Given of the presence of a relative healthy visceral aorta, we decided to treat the patient by Ovation(®) (Endologix, Irvine, CA - USA) implantation in an off-label fashion...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908808/emergency-hybrid-approach-to-ruptured-femoral-pseudoaneurysm-in-hiv-positive-intravenous-drug-abusers
#12
Maurizio Domanin, Giovanni Romagnoni, Silvia Romagnoli, Antonio Rolli, Livio Gabrielli
PURPOSE: Chronic traumatism of the common femoral artery due to intravenous injection in drug abusers, in association with local infections and arterial wall weakening caused by HIV, can lead to the development of pseudoaneurysms. Rupture of pseudoaneurysm is a dramatic event in such patients and its correction is difficult and controversial. Most of the cases reported describe open surgical elective options, that consist in ligation, repair or substitution of the damaged arterial segment, employing when possible biological grafts...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908807/incomplete-expansion-of-chimney-stent-graft-during-chimney-thoracic-endovascular-aneurysm-repair-ch-tevar
#13
Athanasios Katsargyris, Domenico Spinelli, Kyriakos Oikonomou, Hozan Mufty, Eric Lg Verhoeven
PURPOSE: To report a technical complication during a chimney-thoracic endovascular aneurysm repair (Ch-TEVAR) procedure. CASE REPORT: A 77 year-old female patient underwent Ch-TEVAR for a symptomatic thoracic aortic aneurysm (TAA) with a short and angulated proximal neck. Deployment of the aortic stent-graft over the left subclavian artery (LSA) was followed by placement of a balloon expandable covered stent as a chimney for the LSA. Chimney deployment failed due to balloon perforation...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908804/custom-made-conical-endograft-in-the-treatment-of-saccular-abdominal-aortic-aneurysms-with-tight-and-calcified-distal-neck-thinking-out-of-the-box
#14
Efstratios Georgakarakos, Christos Argyriou, Nikolaos Schoretsanitis, George S Georgiadis
PURPOSE: to describe the use of the combination of a conical custom-made TREO® (TREO CM) stent-graft in the treatment of a saccular abdominal aortic endograft (AAA) with long but tight and calcified distal neck. TECHNIQUE: A 65-year female patient was treated for a saccular 5.2 cm AAA with a 3cm-long but calcified and tight (16mm) distal neck, precluding the safe use of a bifurcated endograft. Since the patient refused an open surgery, a conical TREO CM endograft was manufactured with 20% proximal oversizing, whereas the 3cm caudal sealing segment demonstrated a conical configuration comprised of a 2cm and 1cm nitinol-supported zones of 20% and 10% oversizing, respectively, in order to avoid excessive strain and incomplete expand at the most distal calcified area, leading ultimately to an insidious infolding and consequent type Ib endoleak...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908677/haemodynamic-variations-of-flow-to-renal-arteries-in-custom-made-and-pivot-branch-fenestrated-endografting
#15
J Ou, A Y S Tang, T L Chiu, K W Chow, Y C Chan, S W K Cheng
OBJECTIVE: This study aimed to investigate variation of blood flow to renal arteries in custom-made and pivot branch (p-branch) fenestrated endografting, using a computational fluid dynamics (CFD) technique. METHODS: Idealised models of custom-made and p-branch fenestrated grafting were constructed on a basis of a 26 mm stent graft. The custom-made fenestration was designed with a 6 mm diameter, while the 5 mm depth renal p-branch was created with a 6 mm inner and 15 mm outer fenestration...
November 28, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27908599/prospective-evaluation-of-a-new-biflanged-metal-stent-for-the-treatment-of-pancreatic-fluid-collections-with-videos
#16
Shuntaro Mukai, Takayoshi Tsuchiya, Takao Itoi, Shujiro Tsuji, Reina Tanaka, Ryosuke Tonozuka, Yuichi Nagakawa, Kazuhiko Kasuya, Masaaki Shimatani, Atsushi Sofuni
BACKGROUND AND AIMS: EUS-guided transluminal drainage (EUS-TD) and sequential direct endoscopic necrosectomy (DEN) for pancreatic fluid collections (PFCs) using a dedicated biflanged metal stent (BFMS) has been reported as a useful alternative to using plastic stents or a conventional metal stent. However, current dedicated BFMSs have limitations. Recently, a new BFMS with solidly constructed biflanges and various stent lengths matched to the PFC condition has been developed. Herein, we prospectively evaluated this new BFMS for the treatment of PFCs...
November 28, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27906117/carotid-artery-stenting-versus-no-stenting-assisting-thrombectomy-for-acute-ischaemic-stroke-protocol-for-a-systematic-review-of-randomised-clinical-trials-with-meta-analyses-and-trial-sequential-analyses
#17
Henrik Steglich-Arnholm, Markus Holtmannspötter, Christian Gluud, Derk Wolfgang Krieger
BACKGROUND: In patients with intracranial large vessel arterial occlusion, ipsilateral extracranial carotid artery occlusions or near-occlusions pose a significant hurdle in endovascular management of acute ischaemic stroke. Stenting of the carotid lesion may be beneficial in this situation to provide a stable access for introducing catheters through the carotid lesion into the intracranial vasculature and the target occlusion. Furthermore, carotid stenting may ensure ample blood flow for wash-out of clot material and reperfusion of the ischaemic penumbral tissue...
December 1, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27905692/remote-pre-procedural-ischemic-stroke-was-the-strongest-risk-for-stroke-and-death-associated-with-carotid-stenting-a-single-center-experience
#18
Mária Rašiová, Ľubomír Špak, Ľudmila Farkašová, Štefan Pataky, Martin Koščo, Marek Hudák, Matej Moščovič, Norbert Leško
BACKGROUND: The goal of carotid artery stenting (CAS) is to decrease the stroke risk in patients with carotid stenosis. This procedure carries an immediate risk of stroke and death and many patients do not benefit from it, especially asymptomatic patients. Patient selection for carotid procedure who benefit from procedure and who is the procedure hazardous for is important. Remote ischemic stroke is known risk factor for stroke reccurence during surgery. The aim of our study was to determine the periprocedural complication risk (within 30 days after CAS) associated with carotid stenting (stroke, death) between patients with remote pre- procedural ischemic stroke and without it; to analyse periprocedural risk in other specific patient subgroups treated with CAS and to determine the impact of observed variables on all- cause mortality during long-term follow-up...
December 1, 2016: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/27905178/follow-up-to-determine-unplanned-hospitalization-and-complications-after-endoscopic-retrograde-cholangiopancreatography
#19
Edwina Chan, Teresa Neeman, Andrew Thomson
BACKGROUND: Studies of endoscopic retrograde cholangiopancreatography (ERCP)-related complications are inconsistent and sometimes have insufficient patient follow-up. The aim of this study was to investigate risk factors for ERCP-related events, leading to hospitalization in the case of outpatients and prolonged hospital stay in the case of inpatients, using assiduous follow-up and contemporaneous recording of data. METHODS: Prospectively collected data of 1000 consecutive ERCP procedures performed by a single endoscopist at a tertiary referral centre in Canberra, Australia, were studied and the complications evaluated...
December 1, 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/27905013/impact-of-stent-type-and-prolonged-dual-antiplatelet-therapy-on-long-term-clinical-outcomes-in-hemodialysis-patients-with-coronary-artery-disease
#20
Masahiko Asami, Jiro Aoki, Tatsuyuki Sato, Shuzou Tanimoto, Mika Watanabe, Yu Horiuchi, Koichi Furui, Kentaro Yasuhara, Yu Sato, Takuya Hashimoto, Sen Yachi, Kazuhiro Hara, Kengo Tanabe
The aim of this study was to address 7-year clinical outcomes and impact of prolonged dual antiplatelet therapy (DAPT) after coronary stenting in hemodialysis patients. Our study included 123 consecutive hemodialysis patients who had undergone percutaneous coronary intervention with a drug-eluting stent (DES) or bare-metal stent (BMS) (DES: 64, BMS: 59) in our institution. We compared long-term clinical outcomes following DES with BMS implantation as well as clinical outcomes in patients on DAPT for ≥1 year (DAPT on group, 89) with those on DAPT for <1 year (DAPT off group, 34)...
November 30, 2016: Cardiovascular Intervention and Therapeutics
keyword
keyword
10632
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"